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Formation and Stability of Pickering Emulsion Stabilized by Self-Aggregated Chitosan Particles near the pK_a. [PDF]

ACS Omega
Zhai X, Wang M, Li W, Yin X, Qi H, Pang Y, Su S.   +6 more
europepmc   +1 more source

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Ultrasonication of chitosan and chitosan nanoparticles

International Journal of Pharmaceutics, 2003
The objective of this study was to evaluate the effects of ultrasonication on chitosan molecules and nanoparticles. Molecular weight (M(v)) of chitosan HCl (M(v) 146 kDa and degree of deacetylation (DD) 96%) decreased linearly with increasing duration and amplitude of ultrasonication. DD and FTIR absorption were unaffected.
Tang, E.S.K., Huang, M., Lim, L.Y.
openaire   +2 more sources

Thiolated chitosans

European Journal of Pharmaceutics and Biopharmaceutics, 2004
The derivatization of the primary amino groups of chitosan with coupling reagents bearing thiol functions leads to the formation of thiolated chitosans. So far, three types of thiolated chitosans have been generated: chitosan-cysteine conjugates, chitosan-thioglycolic acid conjugates and chitosan-4-thio-butyl-amidine conjugates.
Andreas, Bernkop-Schnürch, Margit, Hornof, Davide, Guggi   +2 more
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Antimicrobial activity of hydroxylbenzenesulfonailides derivatives of chitosan, chitosan sulfates and carboxymethyl chitosan

International Journal of Biological Macromolecules, 2009
Chitosan, carboxymethyl chitosan (CMCS) and chitosan sulfates (CSS) with different molecular weight were modified by reacting with 4-hydroxyl-5-chloride-1,3-benzene-disulfo-chloride or 2-hydroxyl-5-chloride-1,3-benzene-disulfo-chloride to give 12 kinds of new hydroxylbenzenesulfonailides derivatives of them.
Zhimei, Zhong, Pengcheng, Li, Ronge, Xing, Song, Liu   +3 more
openaire   +2 more sources